// // 设置响应头的中间件
// module.exports = async (ctx, next) => {
//   const contentType = 'application/json; charset=utf-8'
//   ctx.set('Content-Type', contentType)
//   ctx.set("Access-Control-Allow-Origin", "*")
//   ctx.set("Access-Control-Allow-Methods", "OPTIONS, GET, PUT, POST, DELETE")
//   await next()
// }

module.exports = async (ctx, next) => {
  const contentType = 'application/json; charset=utf-8'
  ctx.set('Content-Type', contentType)
  ctx.set('Access-Control-Allow-Origin', '*')
  ctx.set('Access-Control-Allow-Methods', 'OPTIONS, GET, PUT, POST, DELETE')
  // ctx.response.body = '{"success":true}'
  await next()
}
